Second Value Formation
20 distinct taxa, from 28 fossil occurrences the Paleobiology Database records under this name, spanning 451–450 Mya.
Texas, New Mexico · US
20 taxa · 28 fossils · 451–450 MyaFiled under the Montoya Group. Members recorded: Upham, Montoya.
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5 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.
When
What has been found
- Catenipora
- Catenipora workmanae
- Manipora
- Manipora magna
- Palaeophyllum cateniforme
- Palaeophyllum gracile
- Palaeophyllum margaretae
- Actinoceras incantatum
- Calapoecia anticostiensis
- Coccoseris astomata
- Crenulites duncanae
- Crenulites magnus
- Lambeoceras armstrongi
- Manipora trapezoidalis
- Nyctopora mutabilis
- Ormoceras dartoni
- Paleofavosites sparsus
- Protrochiscolithus hembrilloensis
- Saffordophyllum newcombae
- Trabeculites keithae
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.